That's cool. Some minerals, like emerald, are green. For emeralds its due to the chromium content.
It is a nice color indeed, many rock formations have green in it, the most notable being the emerald.
I love green, its my favourite colur
Several minerals have a green color, including the emerald, which is colored green by its chromium content.
Я люблю зеленый, это мой любимый цвет.
Несколько минералов имеют зеленый цвет, в том числе изумруд, который окрашен в зеленый цвет из-за содержания в нем хрома.